Modeling of human conducting airways by stochastic parametric L-system Zeinab Abbasi and Ramin Bozorgmehry Boozarjomehry Eur. Phys. J. Plus, 136 2 (2021) 197 Published online: 10 February 2021 DOI: 10.1140/epjp/s13360-021-01175-8